Explosive-engine.



mt. WINCKLER.

EXPLOSIVE ENGlNE. APPLICATFON FILED MAY 5. 7'916.

v Patented Dec. 10, 1918.

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'A. E. wmcK g a. EXPLOSIVE ENGINE. APPLICATION FILED HAY 5, I9I6- 158K550; Patented D9010, 19.11

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- ing means and-'improved eating the moving 01 cap plates-3 and 4. The .are provi V journaled the form shown, and which are radial with MGE E. WINCKLEB,

THEESHING .HACHINE COMPANY, OF RACINE,

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WISCONSIN, A CORPORATION.

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To all whom it may concern:

Bb it known that I, AAon E. Wmcnnnn, a subject of the King of Denmark, and a resident of Racine, county of Racine, and Stateof Wisconsin, have invented certain new and usefnllmprovements in Explosive Engines, of which the following is a description.

.The invention relates to internal combustion or explosive engines a'nd'more particularly to explosive engines of the revolving cylinder type, designed for aeronautic puroses such aS set -forth in my prior atent 0.1,174A59, dated March 7, 1916. The objects of the present invention are to provide an improved construction of this type of explosive engine, to improve the valve mechanism, to provide improved coolmeans for lubri- Darts. The invention consists in the features of improvement hereinafter set forth, illustrated in the preferred form'in theaccompanying drawings and more particularly pointed out in the appended claims.

.Figure 1 is a partial and viewof the improved engine with the crank casing cover removed and with'parts shown in section. Fig. 1 is a detail section of parts shown in Fig. 1. Fig. 2 is a side view of the improved engine with'all of the cylinders but one removed and such cylinder shown in end elevation. Fig. 8 is a plan view of the engine cylinder shown in Fig 2.

As inthe construction set forth in the prior patentreferred to, the engine has a stationary crank shaft, a crank casing carrying a series of cylinders, which rotate 1n respect to the crank shaft in the present construction. The cylinders are provided with pistons coupled by connecting rods to the stationary crank shaft.

The rotatable crank casing comprises a heavy annular casting 1 whereon the engine cylinders are mounted,'a section 2 and heads heads-3 and 4: ded with hub portions which are in suitable hearings on a frame work 5. The head 3 is bolted to the. endof T the casing-sectionfl and in the form show'n' is provided with an extension 6 whereon a prhpeller is mounted when .the engine is used as an aeronautic motor. The annular casing section 1 is provided with a series of Specification of Letters Patent.

. abut against the edges ,Fig. 1 which Patented Dec. to, aci s;

1918. Serial No. 95,669.

circular openings 7 for receiving the c lin ders 8. The casing section 2 and the sad 4: are provided with flanges 9 and 10 which of the annular portion 1 and are secdred thereto by bolts 11 which extend throughthe annular portion 1- between the openings7 therein.

' The cylinders 8 are preferably formed of cast steel and the walls thereof are relatively thin; The cylinders fit snugly within the openings 7 of the annular portion 1 and the inner portions of these openings are enlarged to form seatsfor locking rings 12 (see fitwithin annular grooves formed in the outer surface of each cylinder 8 adjacent its inner end. The rings 12 are split and are formed of spring steel. In assembling the parts, the inner end of each cylinder is passed through one of the openings 7 so that its projects beyond the inner face of the wall of the annular portion 1.

The spring ring 12 is then placed in position thereon and the cylinder drawn outwardly until the ring engages the seat formed at the inner portion of the openings 7. preferred construction shown, the fastening bolts 11 overlap the rings 12 so that these partsand the cylinders are securely held in position. At the same time, anyone of the cylinders mav be readily removed for repairs or the like.

Each cylinder is provided with a series of integral ribs which are arranged close together and which extend spirally about the cylinder from'the inner to the outer ends thereof. Preferably, also, these ribs increase in height from the inner to the outer end of the cylinder.

cylinders force the adjacent air outwardly so that a stron current of air passes continually from the inner to the outer end-of the cylinders and through the grooves between the ribs and thereby eilectively cools the cylinders. The fact that the cylinder walls are quite thin also aids in preventin the overheating. The longitudinal spirzfl ribs also serve to strengthen the-.cylinder ivaills so that they can be quite thin and i t. Beyond the outer ends of the ribs 13 the wall of each cylinder is thickened and provided with an external screw thread and a flanged head 14 is threaded thereon. Each head is provided with an outwardly project- In the.

When the engine is in l operation the spiral rlbs on the revolving exhaust valve.

ing portion which is provided with inlet and'exhaust chambers 16 and 17, each of the inlet chainbersltl being connected to a radial supply pipe 18 (see Fig. 3) and each of the exhaust chambers being connected to. an elbow shaped exhaust pipe 19. I The exhaust pipes as shown in so that the passage of tbchexhaust therethrougl'i will aid in forcing air currents outwardly and in I? ial direction over the ingine cylinders.

The cap 4 of thecrankcase hollow and forms an inlet manifold which is connected to the outer end of each cylinder by one of the radial pipes 18. A suitable carburetor 20 mounted on the frame communicates with a pipe 2], which extends axially within the head 4. The chambers 16 and l? in each cylinder head are provided at their inner ends with seats for inlet and exhaust valves 22 and23. The stems 22 and. 23 of these valvesfextend outwardly through suitable stufiing boxes, an outer portion of each valve stem is provided with an annular ,roovo' \vhich-isarrangcd to be engaged with the forked end of a leaf spring 24. These springs between their ends rest upon supporting lugs 25 that are fixed respectively to the adjacent ends of the supply and exhaust pipes 18 and 19; The outer end of each spring is provided with two openings which are engaged by the hook shaped outer end of a bolt 26. These bolts are adjustably threaded into lugs formed upon the adjacent portions of the pipes 18 and 19 and are provided with lock nuts 26.

The springs hold the valves in closed position and the latter are arranged to be opened by'a pair of levers 27 and 28 which are connected by-pivotstuds 29 to lugs 30 and 31 formed upon the cylinder head. The lever 27 is pivoted between its ends and is provided with a roller 27' at one end which is arranged to engage the stem 22, of the admission valve and the opposite end of the lever is connected "to a valve actuating: rod 132. The exhaust operating lever 28, is pivoted at its outer end and its inner end is arranged to engage the stem 23' of the exhaust valve. This lever is engaged and actuated by a stud 33 adjustably threaded through a split lug 34 on the adjacent portion of the lever 27 and held in adjusted osition by a clamp crew The parts are so arranged that an outward movement of the valve actuating rod 32 will open the inlet valve and an inward movement thereof will open the The valve actuating rods 32 extend wardly through openings 36 formed in the portion 2 of the crank case and are actuated by a gear driven cam therein. The portions 1 and 2 of the crank case are filled with oil to lubricate the moving parts. To prevent leaking around-the valve actuating rods 3:2,

Fig. 1 extend outwardly valves closed during flexible coupling sleeves 37 of rubber or the V like areconnected to the crank case and to the rods. The'outer end of each flexible sleeve efitends over a flanged collar 38 (see 1), on the valve rod and is gripped. between tne flange thereof and a nut threaded on the reduced portion of the collar. 4:0 extends through the nut and collar and fixes the same in place upon the valve rod; The inner end of each 'iGIJIibl(-E,Sl80'v'6 37 is fastened inliquid tight fashion by a wire 41 within the groove of a collar lar is formed upon the outer end of a bushing 13 which surrounds tne rod. 41) and is threaded through a collar and into one of the openings 36 of the crank casing section 2." The opening in the bushing 4.3 is considerably largerthan the rod and this construction permits of the proper n1overnent oithe rod and at the same time provides a liquid tight joint between the same and the crank A series of pipes 45 are wnnected to the casing section :2 ad acent the inner ends of the actuating: radi and each of these pipes is connected by it coupling 46 The latter is provided with branches '27 that lead respectively to the bearings formed in the lugs 30 and 31 for the pivot pins 29. When the engine is in operation, the oil in the crank casing is forced outwardly by centrifugal action through the pipes 45 and 47 and thus keeps the bearings for the valve actuating levers 2'? cated.

In Fig. 1 the cap plate 3 is removed'to show the parts within the part :2 of the crank case. This part is provided with a web 48 and a central hub 4.9 that is journaled u on the end-portion 50 of the staiiomirv crank shaft. 2. series oflevers 51 being mounted therein upon pivot studs 59; that are fixed to the web 48. Each of these levers is provided at one end with a roller 53 and at its opposite end with a stud 54 that. extends throinh a transverse opening in the enlarged innerrnd of one valve actuating rods 32. Pin abutment 55 threaded into the enlarged portion of the valve rod engages the stud 54-. The rollers 52?- are engaged by a cam that it rotatably mounted upon the hub portion 49. Springs 57 coiled about the valve actuating rods 32 and within the flexible coupling pieces 37 are interposed between the collars 38 and42. Those springs hold the rollers 53 snugly in to a pipe 47..

and 28 properly lubriof the This colengagement with the cam 56 and take up i all lost inotion in the valve operating parts.

The? ca njfifi provided with high portions a for opening the exhaust valves, low portions 7) foropening the inlet valves and im'ermcdiato "portions c for holding the the compression and working strokes. in the form shown there are four sets oi" these portions about the 

